Front(gas) burners won't light

After the parts arrived.Unplugged the stove,and sarted taking a stove apart ,removing (4 torkx screws)from the top,disconnected electrical wires from electrod, and burnerswith,(4ps).left&rigth front tube was installed.also replaced four electrod.Put everything back together with caution plug stove back in, and now,works like new,for other14 years or longer.If you can do the above you can saveyour self a bundle. Thank you parts dept for the good sevice.Happy new year